Throttle valve body

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 1/22 (2006.01) F02D 9/10 (2006.01) F16K 27/02 (2006.01)

Patent

CA 2468055

The invention relates to a throttle valve body for an internal combustion engine, comprising a housing (1) and a cross-flow hole (2) in the housing (1), which can be blocked by a throttle valve (3). The throttle valve (3) is arranged on a shaft (6) that can be pivotally driven about its longitudinal axis (26) which extends crosswise to the longitudinal axis of the cross-flow hole (2). The free ends of said shaft are pivotally mounted in bearings arranged in recesses (14) in the housing (1). Said shaft (6) valve is secured against axial displacement by an axial safety device. The throttle valve (3) has bearing surfaces (27) in support areas (24) that are fixed to the housing in the areas in which the shaft (6) projects axially.

L'invention concerne un corps de papillon conçu pour un moteur à combustion interne, comprenant un logement (1) ainsi qu'une ouverture d'écoulement (2) du logement (1) pouvant être fermée par un papillon (3). Ce papillon (3) est disposé sur un arbre de papillon (6) qui peut être entraîné autour de son axe longitudinal s'étendant transversalement à l'axe longitudinal de l'ouverture d'écoulement (2), et dont les extrémités libres sont logées de manière rotative dans des paliers situés dans des évidements de palier (14) dans le logement (1). L'arbre de papillon (6) ne peut effectuer de translation axiale dans la mesure où il est bloqué par un dispositif de blocage axial. Le papillon (3) comprend des surfaces d'appui (27) qui sont situées au niveau des zones dudit papillon où l'arbre de papillon (6) se trouve en saillie axiale et qui sont disposées contre les zones de support (24) fixées au logement.

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